Index - U
| unionFileModes | System.PosixCompat.Files, System.PosixCompat |
| UserEntry | |
| 1 (Data Constructor) | System.PosixCompat.User, System.PosixCompat |
| 2 (Type/Class) | System.PosixCompat.User, System.PosixCompat |
| userGecos | System.PosixCompat.User, System.PosixCompat |
| userGroupID | System.PosixCompat.User, System.PosixCompat |
| UserID | System.PosixCompat.Types, System.PosixCompat |
| userID | System.PosixCompat.User, System.PosixCompat |
| userName | System.PosixCompat.User, System.PosixCompat |
| userPassword | System.PosixCompat.User, System.PosixCompat |
| userShell | System.PosixCompat.User, System.PosixCompat |
| usingPortableImpl | System.PosixCompat |
| usleep | System.PosixCompat.Unistd, System.PosixCompat |